Disease A-Z Library
A WHO Grade III Oligodendroglial Tumor
A WHO grade III oligodendroglial tumor is a fast-growing brain tumor that starts from oligodendrocytes, the cells that make the myelin (insulation) around nerve fibers. In...
Read articleDisease A-Z Library
Rx Cancer (A – Z)
Browse plain-English disease and condition guides, including symptoms, causes, diagnosis, treatment options, prevention, and when to seek medical care.
1,650 articlesUpdated medical education library
Diseases A-Z
A
- A WHO Grade III Oligodendroglial Tumor
- Abdominal Cystic Lymphangioma
- Abducent Nucleus Cancer
- Aberrant Basal Cell Carcinoma
- Abrikossoff’s Tumor
- Absolute Monocytopenia
- Absolute Monocytosis
- Acinar Cell Carcinoma
- Ackerman Tumor
- Acoustic Neuroma
- Acoustic Schwannoma
- Acquired Alpha-thalassaemia in Myeloid Neoplasms
- Acquired Monocytopenia
- Acquired Tufted Angioma
- Acral Mycosis Fungoides
- Actinic Granuloma
- Acute (Malignant) Myelosclerosis – Symptoms, Treatment
- Acute / Transient Monocytopenia
- Acute Basophilic Leukemia – Causes, Symptoms, Treatment
- Acute Eosinophilic Pneumonia – Symptoms, Treatment
- Acute Erythroid Leukemia – Causes, Symptoms, Treatment
- Acute Erythroid Leukemia (AEL)
- Acute Erythroleukemia – Causes, Symptoms, Treatment
- Acute Granulocytic Leukemia
- Acute Granulocytic Leukemia without Maturation
- Acute Hematopoietic Leukemia
- Acute Leukemia
- Acute Lymphoblastic Leukemia – Symptoms, Treatment
- Acute Lymphocytic (Lymphoblastic) Leukemia (ALL)
- Acute Lymphocytic Leukemia – Symptoms, Treatment
- Acute Lymphogenous Leukemia (ALL)
- Acute Lymphoid (Lymphoblastic) Leukemia (ALL)
- Acute M1 Granulocytic Leukemia
- Acute M1 Granulocytic Leukemia Without Maturation
- Acute M1 Myeloblastic Leukemia
- Acute M1 Myeloblastic Leukemia (AML-M1)
- Acute M1 Myeloblastic Leukemia without Maturation
- Acute M1 Myelocytic Leukemia (FAB M1)
- Acute M1 Myelocytic Leukemia Without Maturation
- Acute M1 Myelogenous Leukemia (AML-M1)
- Acute M1 Myelogenous Leukemia (AML-M1) Without Maturation
- Acute M1 Myeloid Leukemia
- Acute M1 Myeloid Leukemia (Acute Myeloblastic Leukemia without Maturation)
- Acute M2 Myeloid Leukemia
- Acute M4 Myeloid Leukemia (Acute Myelomonocytic Leukemia)
- Acute M4 Myelomonocytic Leukemia (AML-M4)
- Acute M7 Myeloid Leukemia
- Acute Malignant Myelofibrosis
- Acute Malignant Myelosclerosis
- Acute Megacaryoblastic Leukemia – Symptoms, Treatment
- Acute Megakaryoblastic Leukemia – Symptoms, Treatment
- Acute Megakaryoblastic Leukemia (AMKL)
- Acute Megakaryocytic Leukemia (AMKL)
- Acute Monoblastic Leukemia – Causes, Symptoms, Treatment
- Acute Monoblastic Leukemia (AML-M5)
- Acute Monocytic Leukemia (AML-M5)
- Acute Myeloblastic Leukemia (AML)
- Acute Myeloblastic Leukemia (AML) with Maturation
- Acute Myeloblastic Leukemia Without Maturation
- Acute Myelocytic Leukemia
- Acute Myelocytic Leukemia – Causes, Symptoms, Treatment
- Acute Myelocytic Leukemia with Maturation
- Acute Myelocytic Leukemia Without Maturation
- Acute Myelodysplasia With Myelofibrosis
- Acute Myelodysplasia with Myelofibrosis (APMF)
- Acute Myelofibrosis
- Acute Myelofibrosis – Causes, Symptoms, Treatment
- Acute Myelogenous (Myeloid) Leukemia
- Acute Myelogenous Leukemia – Causes, Symptoms, Treatment
- Acute Myelogenous Leukemia (AML)
- Acute Myelogenous Leukemia (AML) Without Maturation
- Acute Myelogenous Leukemia with Maturation
- Acute Myeloid Leukemia – Causes, Symptoms, Treatment
- Acute Myeloid Leukemia (AML)
- Acute Myeloid Leukemia (AML) by FAB Classification
- Acute Myeloid Leukemia (AML) With CEBPA Somatic Mutations
- Acute Myeloid Leukemia (AML) with Myeloid Sarcoma
- Acute Myeloid Leukemia M7
- Acute Myeloid Leukemia with Abnormal Bone Marrow Eosinophils
- Acute Myeloid Leukemia with Maturation (AML-M2)
- Acute Myeloid Leukemia with Multilineage Dysplasia
- Acute Myeloid Leukemia With Myelodysplasia(AML-MR)
- Acute Myeloid Leukemia with Non-Germline (Somatic) Mutations
- Acute Myeloid Leukemia without Maturation
- Acute Myelomonocytic Leukemia (AML-M4)
- Acute Myelosclerosis
- Acute Myelosclerosis – Causes, Symptoms, Treatment
- Acute Non-Lymphocytic Leukemia – Symptoms, Treatment
- Acute Nonlymphocytic Leukemia (ANLL/AML)
- Acute Panmyelosis with Myelofibrosis – Symptoms, Treatment
- Acute Panmyelosis with Myelofibrosis (APMF)
- Acute Posterior Multifocal Placoid Pigment Epitheliopathy (APMPPE)
- Acute Promyelocytic Leukemia – Symptoms, Treatment
- Acute Promyelocytic Leukemia (APL)
- Acute Types 3 Myeloblastic Leukemia
- Acute Types M3 Promyelocytic Leukemia
- Adenoid Cystic Carcinoma
- Adenoid Cystic Carcinoma
- Adenoid Cystic Carcinoma (ACC)
- Adenoid Cystic Carcinoma (ACC)
- Adenoid Squamous Cell Carcinoma
- Adenolipoma – Causes, Symptoms, Treatment
- Adenoma of The Pancreas
- Adenomatoid Tumor
- Adenomatous Polyposis
- Adenomatous Polyposis
- Adenomyomas
- Adenomyosis – Causes, Symptoms, Diagnosis, Treatnment
- Adrenal Adenomas – Causes, Symptoms, Diagnosis, Treatment
- Adrenal Cancer – Causes, Symptoms, Diagnosis, Treatment
- Adrenal Cortex Adenocarcinoma
- Adrenal Cortex Carcinoma (ACC)
- Adrenal Cortical Adenocarcinoma
- Adrenal Cortical Carcinoma
- Adrenal Cysts – Causes, Symptoms, Diagnosis, Treatment
- Adrenal Gland Cancer
- Adrenal Medulla Cancer
- Adrenal Metastases – Causes, Symptoms, Treatment
- Adrenal Myelolipoma – Causes, Symptoms, Treatment
- Adrenal Myelolipoma with Acute Hemorrhage
- Adrenocortical Carcinoma – Causes, Symptoms, Treatment
- Adrenocortical Carcinoma (ACC)
- Adrenocortical Carcinoma Adult – Symptoms, Treatment
- Adult Alveolar Soft Part Sarcoma (ASPS)
- Adult Hepatocellular Carcinoma (HCC)
- Adult Primary Cholangiocarcinoma
- Adult Primary Hepatocellular Carcinoma (HCC)
- Adult Pure Red Cell Aplasia (PRCA)
- Adult T-Cell Leukemia
- African Lymphadenopathic Kaposi Sarcoma
- Aggressive Digital Papillary Adenocarcinoma
- Aggressive Infantile Fibromatosis
- Aggressive NK-cell Leukemia (ANKL)
- Aggressive NK-Cell Lymphoma
- Agranular CD4+ Natural Killer (NK) Cell Leukaemia
- AIDS-associated Kaposi’s Sarcoma
- Ainhum
- Aleukemic Leukemia Cutis
- Alveolar Childhood Rhabdomyosarcoma
- Alveolar Rhabdomyosarcoma (ARMS)
- Alveolar Soft Part Sarcoma
- Alveolar Soft Part Sarcoma (ASPS)
- Ameloblastic Carcinoma
- Ameloblastic Carcinoma
- Ameloblastoma
- Ameloblastoma
- Ameloblastoma of the Jaw
- Amelocerebrohypohidrotic Syndrome
- Anaplastic Astrocytoma
- Anaplastic Astrocytoma
- Anaplastic Carcinoma
- Anaplastic Choroid Plexus Papilloma
- Anaplastic Ependymal Neoplasm
- Anaplastic Ependymal Tumor
- Anaplastic Ependymoma
- Anaplastic Ganglioglioma (AGG)
- Anaplastic Large Cell Lymphoma
- Anaplastic Large Cell Lymphoma
- Anaplastic Large Cell Lymphoma (ALCL)
- Anaplastic Meningothelial Meningioma
- Anaplastic Mixed Glioma
- Anaplastic Oligoastrocytoma
- Anaplastic Oligodendroglioma
- Anaplastic Oligodendroglioma
- Anaplastic Pleomorphic Xanthoastrocytoma (APXA)
- Anaplastic Thyroid Carcinoma
- Anaplastic Thyroid Carcinoma
- Anaplastic Tuberculum Sella Meningioma
- Anauxetic Dysplasia
- Anauxetic Dysplasia Type 1
- Angioblastoma
- Angioblastoma of Nakagawa
- Angiofibroma
- Angiofollicular Ganglionic Hyperplasia
- Angiofollicular Lymph Hyperplasia
- Angiofollicular Lymph Node Hyperplasia
- Angioimmunoblastic Lymphadenopathy (AILD)
- Angioimmunoblastic Lymphadenopathy with Dysproteinemia
- Angioimmunoblastic T-Cell Lymphoma
- Angioimmunoblastic T-cell Lymphoma (AITL)
- Angioimmunoblastic T-cell Lymphoma (AITL)
- Angioimmunoblastic T-Cell Lymphoma (AITL)
- Angiokeratoma of Mibelli
- Angiokeratoma of the Scrotum
- Angiokeratoma of the Vulva
- Angiokeratomas
- Angioleiomyoma
- Angiolipoleiomyoma
- Angiolipoma
- Angiolipoma – Causes, Symptoms, Diagnosis, Treatment
- Angiolymphoid Hyperplasia
- Angiolymphoid Hyperplasia with Eosinophilia (ALHE)
- Angioma Serpiginosum
- Angioma Serpiginosum
- Angiomatous Lymphoid Hamartoma
- Angiomatous Meningioma
- Angioosteohypertrophy Syndrome
- Angiosarcoma
- Angiotropic Large Cell Lymphoma (ALCL)
- Annular Elastolytic Giant Cell Granuloma
- Annular Sarcoidosis
- Anogenital Verrucous Carcinoma of Buschke–Löwenstein
- Anorectal Adenomatoid Tumors
- Anorectal Gastrointestinal Stromal Tumors
- Aortic Sarcoma
- APMF – Causes, Symptoms, Treatment
- Apocrine Gland Carcinoma
- Apocrine Gland Carcinoma
- Apocrine Nevus
- Aponeurotic Fibroma
- Appendiceal Adenocarcinoma
- Appendiceal Adenocarcinoma
- Appendiceal Adenomatoid Tumors
- Appendiceal Carcinoid Tumors
- Appendiceal Mucinous Carcinoma
- Appendix Adenocarcinoma
- Argentaffinoma
- Astroblastoma
- Astrocytoma
- Ataxia-Pancytopenia Syndrome (ATXPC)
- Attenuated Adenomatous Polyposis Coli (AAPC)
- Attenuated Familial Adenomatous Polyposis (AFAP)
- Atypical Carcinoid Tumors
- Atypical Fibroxanthoma
- Atypical Lipoma
- Atypical Lipomatous Tumors
- Atypical Pulmonary Carcinoid Tumors
- Atypical Tuberculum Sella Meningioma
- Auricular Hematoma
- Autoimmune Lymphadenopathy
- Autoimmune Lymphoproliferative Syndrome (ALPS)
- Autoimmune Lymphoproliferative Syndrome Caused by Mutation in CASP8
- Autoimmune Lymphoproliferative Syndrome Type 4 (ALPS-4)
- Autoimmune Neutropenia – Causes, Symptoms, Treatment
- Autoimmune Thrombocytopenic Purpura (Immune Thrombocytopenia, “ITP”)
- Autosomal Dominant Macrothrombocytopenia (AD-MTP)
- Autosomal Recessive Malignant Osteopetrosis
- Autosomal Recessive Malignant Osteopetrosis Caused by Mutation in tnfsf11
- Autosomal Recessive Malignant Osteopetrosis Caused by Mutations in TCIRG1
- Autosomal Recessive Metaphyseal Chondrodysplasia
B
- B-cell Chronic Lymphocytic Leukaemia (CLL)
- B-Cell Chronic Lymphocytic Leukemia (CLL)
- B-Cell Chronic Lymphocytic Leukemia (CLL) / Small Lymphocytic Lymphoma (SLL)
- B-Cell Chronic Lymphogenous Leukaemia (CLL)
- B-Cell Lymphocytic Neoplasms
- B-cell Lymphoma, Unclassifiable, with Features Intermediate Diffuse Large B-cell Lymphoma
- B-cell Prolymphocytic Leukemia – Causes, Test, Treatment
- B-cell Prolymphocytic Leukemia (B-PLL)
- B-Cell Prolymphocytic Leukemia (B-PLL)
- B-Familial Chronic Lymphocytic Leukemia (B-CLL)
- B-Hematopoietic Chronic Lymphocytic Leukemia (CLL)
- B‑cell lymphopenia
- Bankokerend Disease
- Bartholin Gland Carcinoma
- Basal Cell Carcinoma
- Basal Cell Carcinoma
- Basal Cell Carcinoma (BCC)
- Basal Cell Carcinoma with Follicular Differentiation (BCC-FD)
- Basaloid Follicular Hamartoma
- Basaloid Squamous Cell Carcinoma
- BCR-ABL Positive Chronic Myelogenous Leukemia (CML)
- Bellini Carcinoma
- Benign Adrenal Adenomas – Causes, Symptoms, Treatment
- Benign Angiofollicular Hyperplasia
- Benign Breast Phyllodes Tumor
- Benign Cephalic Histiocytosis
- Benign Choroid Plexus Papilloma
- Benign Essential Blepharospasm
- Benign Familial Convulsions
- Benign Familial Infantile Convulsions
- Benign Familial Neonatal Seizures (BFNS)
- Benign Fibrous Histiocytoma
- Benign Intracranial Hypertension
- Benign Juvenile Melanoma (BJM)
- Benign Lipoblastomatosis
- Benign Lymphocytic Infiltration of the Skin (BLIS)
- Benign Lymphoreticulosis
- Benign Mixed Tumor
- Benign Mucous Membrane Pemphigoid
- Benign Neonatal Seizures
- Benign Paroxysmal Tonic Upgaze of Childhood with Ataxia
- Benign Solitary Fibrous Papule
- Benign Struma Ovarii
- Benign Thoracic Aorta Tumors
- Berylliosis
- Bilateral Lymphadenopathy
- Biliary Tract Cancer
- Biliary Tract Cancers
- Bizarre Cutaneous Neurofibroma
- Bladder Adenomyoma
- Bladder Carcinosarcoma
- Bladder Cystic Papilloma
- Bladder Cystic Papilloma
- Bladder Signet Ring Cell Carcinoma
- Blastic NK-Cell Lymphoma
- Bleeding Disorders – Causes, Symptoms, Treatment
- Bone Chloroma
- Bone Marrow Failure – Causes, Symptoms, Treatment
- Bone Marrow Failure Syndrome Type 1 (BMFS1)
- Borderline Epithelial Tumor of the Ovary
Featured articles
Disease A-Z Library
Abdominal Cystic Lymphangioma
Abdominal cystic lymphangioma is a rare, non-cancerous growth made of abnormal lymphatic vessels that form one or more fluid-filled cysts inside the abdomen. The lymphatic system...
Read articleDisease A-Z Library
Abducent Nucleus Cancer
Abducent nucleus cancer, also known as sixth cranial nerve nucleus cancer, is a rare condition where abnormal cells grow uncontrollably in the abducent nucleus, a part...
Read articleDisease A-Z Library
Aberrant Basal Cell Carcinoma
Aberrant Basal Cell Carcinoma (BCC) is a type of skin cancer that typically originates in the basal cells of the skin’s outer layer. In this article,...
Read article
Disease A-Z Library
Abrikossoff’s Tumor
Abrikossoff’s tumor, also known as granular cell tumor (GCT), is a rare type of soft tissue tumor that can develop in various parts of the body....
Read articleDisease A-Z Library
Absolute Monocytopenia
Absolute monocytopenia means the number of monocytes in the blood is abnormally low, specifically below about 0.2 × 10⁹/L (or <200 cells/µL). Monocytes are a critical...
Read articleDisease A-Z Library
Absolute Monocytosis
Absolute monocytosis means your blood has more monocytes than the normal upper limit when counted as an absolute number, not just a percentage. Monocytes are a...
Read articleDisease A-Z Library
Acinar Cell Carcinoma
Acinar Cell Carcinoma (ACC) is a rare type of cancer that originates in the acinar cells of the pancreas. While it may sound complicated, we’re here...
Read articleDisease A-Z Library
Ackerman Tumor
Ackerman tumor, also known as Ackerman syndrome or Ackerman’s tumor, is a rare medical condition that primarily affects the bones and soft tissues of the body....
Read articleDisease A-Z Library
Acoustic Neuroma
Acoustic neuroma refers to a benign tumor that arises from the Schwann cells lining the vestibular nerve. This nerve is responsible for transmitting sound and assisting...
Read articleDisease A-Z Library
Acoustic Schwannoma
An acoustic schwannoma is a benign (non-cancerous) tumor that grows from Schwann cells—the cells that wrap and protect the vestibular (balance) part of the eighth cranial...
Read articleDisease A-Z Library
Acquired Alpha-thalassaemia in Myeloid Neoplasms
Acquired alpha-thalassaemia in myeloid neoplasms means a person who has a disease of the bone marrow (a blood-forming cancer or pre-cancer) suddenly develops a new problem...
Read articleLatest articles
Disease A-Z Library
Ki-1 Lymphoma
“Ki-1 lymphoma” is an older name for a cancer now called anaplastic large cell lymphoma (ALCL). The term “Ki-1” came from the Ki-1 antibody, which detects...
Read articleDisease A-Z Library
Ki-1–Positive Anaplastic Large Cell Lymphoma (ALCL)
Ki-1–positive anaplastic large cell lymphoma is a cancer of white blood cells called T-cells. “Ki-1” is the old name for a surface protein now called CD30....
Read articleDisease A-Z Library
Positive Anaplastic Large Cell Lymphoma
Positive anaplastic large cell lymphoma almost always means ALK-positive anaplastic large cell lymphoma (ALK+ ALCL). It is a fast-growing cancer of T-cells (a type of white...
Read articleDisease A-Z Library
Anaplastic Large Cell Lymphoma
Anaplastic large cell lymphoma is a cancer of T-cells, which are white blood cells that help your immune system fight germs. In ALCL, the cancer cells...
Read articleDisease A-Z Library
Anaplastic Ganglioglioma (AGG)
Anaplastic ganglioglioma (AGG) is a rare brain tumor made of two parts: abnormal neurons (ganglion cells) and a glial (support) cell component that shows “anaplastic” or...
Read articleDisease A-Z Library
WHO Grade III Ependymal Neoplasm
A WHO grade III ependymal neoplasm—often called anaplastic ependymoma—is a fast-growing tumor that starts from ependymal cells, the cells that line the fluid-filled spaces of the...
Read articleDisease A-Z Library
Undifferentiated Ependymal Tumor
Undifferentiated ependymal tumor isn’t a formal diagnosis in today’s World Health Organization (WHO) system. Since 2021, ependymal tumors are classified mainly by where they arise (supratentorial/brain’s...
Read articleDisease A-Z Library
Undifferentiated Ependymal Neoplasm
An undifferentiated ependymal neoplasm is a brain or spinal cord tumor that shows ependymal lineage (it comes from cells that line the brain’s ventricles and the...
Read articleDisease A-Z Library
Malignant Ependymoma
Malignant ependymoma is a fast-growing cancer that starts from ependymal cells. These cells line the fluid-filled spaces inside the brain and spinal canal. In older naming...
Read articleDisease A-Z Library
High Grade Ependymoma
High-grade ependymoma is a fast-growing brain or spinal cord tumor that starts from ependymal cells, which line the fluid-filled spaces (ventricles) and central canal of the...
Read articleDisease A-Z Library
Anaplastic Ependymal Tumor
Anaplastic ependymal tumor is an older label that referred to a fast-growing (grade 3) ependymoma—a tumor that starts from ependymal cells, the cells lining the fluid-filled...
Read articleDisease A-Z Library
Anaplastic Ependymal Neoplasm
An anaplastic ependymal neoplasm means a high-grade (more aggressive) tumor that grows from ependymal cells—the cells that line the fluid-filled spaces inside the brain (ventricles) and...
Read articleDisease A-Z Library
Grade 3 Anaplastic Ependymoma
An anaplastic ependymoma is a fast-growing brain or spinal cord tumor that comes from ependymal cells — the cells that line the fluid-filled spaces (ventricles) of...
Read articleDisease A-Z Library
Malignant Astrocytoma
Malignant astrocytoma is a fast-growing brain or spinal cord tumor that starts from star-shaped support cells called astrocytes. These cells live in the “glue” tissue of...
Read articleDisease A-Z Library
Grade III Astrocytoma
Grade III astrocytoma is a diffuse, fast-growing brain tumor that starts from star-shaped support cells called astrocytes. “Diffuse” means the tumor cells infiltrate normal brain tissue,...
Read articleDisease A-Z Library
Grade III Astrocytic Tumor
A grade III astrocytic tumour is a cancer that starts from star-shaped support cells in the brain called astrocytes. On a microscope slide, the cells look...
Read articleDisease A-Z Library
Grade III Astrocytic Tumor
A grade III astrocytic tumor is a fast-growing brain cancer that develops from star-shaped support cells called astrocytes. In modern classification, most adult grade III tumors...
Read articleDisease A-Z Library
Grade III Astrocytic Neoplasm
A grade III astrocytic neoplasm is a cancer that starts from star-shaped brain cells called astrocytes. It grows faster than low-grade tumors and can invade nearby...
Read articleDisease A-Z Library
Malignant Anaplastic Astrocytoma
Malignant Anaplastic astrocytoma, IDH-mutant, grade 3 is a cancer that starts in star-shaped support cells of the brain called astrocytes. “IDH-mutant” means the tumor’s cells carry...
Read articleDisease A-Z Library
Anaplastic Astrocytoma
Anaplastic astrocytoma is a cancer of the brain that grows from star-shaped support cells called astrocytes. Doctors now use the newer WHO system (2021+) and call...
Read article